* {
    margin: 0px;
    padding: 0px;
}
html {
height: 100%;
display: flex;
}
body {
    margin: 0 auto;
    display: flex;
    width: 100%;
    height: 100%;
}
#cc {
    width: 100%;
    height: 100%;
}
#tt {
    width: 100%;
    height: 100%;
}
#sm {
    width: 250px;
    height: 100%;
}
#northarea {
    display: flex;
    justify-content: space-between;
    flex-wrap: nowrap;
    font-size: 18px;
}
